Determine whether each anion is basic or neutral. For those that are basic, wrote an equation that shows how an anion acts as a base.
(A) C7H5O2 ^-
(B) I^-
(C) NO3^-
(D) F^-
To determine whether each anion is basic or neutral, we need to analyze the properties of the ions and their behavior in water.
(A) C7H5O2^-:
To determine if this anion is basic or neutral, we need to look at its behavior in water. If it accepts a proton from water, it can be considered a base. The equation for its basic behavior would be:
C7H5O2^- + H2O ⇌ C7H5O2H + OH^-
(B) I^-:
Iodide ions do not have the ability to accept protons from water, making them neutral.
(C) NO3^-:
Nitrate ions, NO3^-, do not have the ability to accept protons from water, making them neutral.
(D) F^-:
Fluoride ions, F^-, can accept a proton from water to form hydrofluoric acid (HF). Therefore, it acts as a base. The equation for its basic behavior would be:
F^- + H2O ⇌ HF + OH^-
In summary:
(A) C7H5O2^-: basic; C7H5O2^- + H2O ⇌ C7H5O2H + OH^-
(B) I^-: neutral
(C) NO3^-: neutral
(D) F^-: basic; F^- + H2O ⇌ HF + OH^-